Learn How to Spot a Mate in 1: Swallowtail Mate
This puzzle is a classic middlegame mating pattern where the attacking side converts a huge material edge into immediate checkmate. The key idea is a swallowtail-style net: the enemy king is boxed in by its own pieces and pawns, while one well-placed queen move seals every escape square. In classical chess, these motifs often appear when development is lagging and the king remains exposed in the center.